[PATCH v2] common/mlx5: fix MPRQ mempool registration

[Raslan Darawsheh]

Hi,
> -----Original Message-----
> From: Dmitry Kozlyuk <dkozlyuk at nvidia.com>
> Sent: Tuesday, November 16, 2021 1:56 PM
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at nvidia.com>; Raslan Darawsheh
> <rasland at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>
> Subject: [PATCH v2] common/mlx5: fix MPRQ mempool registration
> 
> Mempool registration code had a wrong assumption
> that it is always dealing with packet mempools
> and always called rte_pktmbuf_priv_flags(),
> which returned a random value for different types of mempools.
> In particular, it could consider MPRQ mempools
> as having externally pinned buffers, which is wrong.
> Packet mempools cannot be reliably recognized,
> but it is sufficient to check that the mempool is not a packet one,
> so it cannot have externally pinned buffers.
> Compare mempool private data size to that of packet mempools to check.
> 
> Fixes: 690b2a88c2f7 ("common/mlx5: add mempool registration facilities")
> Fixes: fec28ca0e3a9 ("net/mlx5: support mempool registration")
> 
> Signed-off-by: Dmitry Kozlyuk <dkozlyuk at nvidia.com>
> Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
> ---
> v2: improve logging, add ack.

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh